Research, comparisons, and practical guides.
Longer-form pieces synthesized from ADA, NIH/NIDCR, Cochrane Oral Health, and university dental school sources. Every article lists its author and citations.
- February 11, 2025 · 6 min read · By WhiteningProducts Editorial Team
How much does professional whitening actually lighten teeth?
What peer-reviewed trials and ADA guidance say about realistic shade change from in-office and dentist-dispensed take-home whitening.
Sources: American Dental Association (MouthHealthy), Cochrane Oral Health Group, ADA Council on Scientific Affairs - February 14, 2025 · 5 min read · By WhiteningProducts Editorial Team
Charcoal toothpaste: what the evidence actually says
A 2017 JADA literature review and follow-up work found no substantial evidence that charcoal dentifrices whiten teeth or that they are safe for long-term use.
Sources: Journal of the American Dental Association (JADA), British Dental Journal, American Dental Association - February 16, 2025 · 6 min read · By WhiteningProducts Editorial Team
Whitening with sensitive teeth: a practical protocol
Tooth sensitivity is the most common side effect of peroxide whitening. Here is what randomized trials and university dental school patient guides recommend to manage it.
Sources: Journal of the American Dental Association (JADA) via PubMed, Harvard Health Publishing, Harvard Medical School, University of Michigan School of Dentistry - February 18, 2025 · 7 min read · By WhiteningProducts Editorial Team
OTC vs. dentist-dispensed whitening: what actually differs
Concentration, delivery, and oversight - the three variables that separate a drugstore whitening kit from a course prescribed and fitted by a dentist.
Sources: ADA Council on Scientific Affairs, National Institute of Dental and Craniofacial Research (NIDCR/NIH), American Dental Association (MouthHealthy) - February 20, 2025 · 5 min read · By WhiteningProducts Editorial Team
How tooth staining actually works
Extrinsic vs intrinsic stain, why age matters, and what the current dental literature says about which discolorations respond to bleaching.
Sources: National Institute of Dental and Craniofacial Research (NIDCR/NIH), University of Illinois Chicago College of Dentistry, American Dental Association (MouthHealthy)